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INTRODUCTION

DFRduino Uno V3.0 from DFRobot is a physical world computing board of small size for academics or development . It is a simple microcontroller board fully compatible with Arduino UNO R3 and Arduino IDE open-source development environment. This environment implements the Processing / Wiring language. Arduino can be used to develop stand-alone interactive objects or can be connected to software on your computer (e.g. Flash, Processing, MaxMSP). The open-source IDE can be downloaded for free (currently for Mac OS X, Windows, and Linux).

This board features the ATmega16U2 programmed as a USB-to-serial converter. An added bonus is that our DFRduino is still using the DIP package AVR Chip. You could remove it to update or reprogram the chip's firmware, or even to place it on a finished, more compact project. The cool thing about our new DFRduino microcontroller is that the headers use different colors to feature I/O ports of different types:
  • Red for Power Section.
  • Blue for Analog I/O.
  • Green for Digital I/O.
 
These colors match our sensor cables. This makes it really easy to figure out where to connect sensors, or to identify which side is Analog (blue) or Digital (green).

"Arduino Uno" is a microcontroller board based on the ATmega328. It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz crystal oscillator, a USB connection, a power jack, an ICSP header, and a reset button. It contains everything needed to support the microcontroller; simply connect it to a computer with a USB cable or power it with a AC-to-DC adapter or battery to get started.

This board added SDA and SCL pins that are near to the AREF pin and two other new pins placed near to the RESET pin, the IOREF that allow the shields to adapt to the voltage provided from the board. In future, shields will be compatible both with the board that use the AVR, which operate with 5V and with the "Arduino Due" that operate with 3.3V. The second one is a not connected pin, that is reserved for future purposes.


    DFRobot Microcontrollers compatible with Arduino
    DFRduino UNO R3DFRobot Leonardo with Xbee SocketDFRobot Mega 2560 V3.0 Romeo V2- an Arduino Robot Board Romeo - an Arduino Robot Control Board with Motor Driver
    NameDFRduino UNODFRobot LeonardoDFRobot Mega 2560Romeo V2Romeo
    SKUDFR0216DFR0221DFR0191DFR0225DFR0004
    MicrocontrollerATmega328pATmega32u4ATmega2560ATmega32U4Atmega328
    Working voltage5V5V5V5V5V
    CPU Frequency16MHz16MHz16MHz16MHz16MHz
    TIO ports / PWM6 / 147 / 2054 / 1520 / 714 / 6
    Analog inputs61216128
    UART12421
    I2C11233
    SPI11111
    Interrupt pins22222
    EEPROM[KB]11411
    Flash[KB]32322563232
    SRAM[KB]22.582.52
    USB

    A-B USB cable

    micro USB cable

    A-B USB cable

    micro USB cable

    A-B USB cable

    Dimension75*55*15mm75*55*15mm100*53*15mm89*84*14mm90*80*14mm
    Vin7-12V7-12V7-12V7-12V7-12V
    Price$19.9$19.9$24.9$34.95$29.5
    Weight（g）4550708080
    IDE versionArduino 1.0 and aboveArduino 1.0 and aboveArduino 1.0 and aboveArduino 1.0 and aboveArduino 1.0 and above
    FeatureDFRduino UNO is fully compatible with Arduino UNO R3,suitable for Arduino beginner and hobbyistsDFRobot Leonardo is a low cost controller, integrated with Xbee and SPI. Suitable for low cost and communication demand of hobbyistsDFRduino Mega has 54 digital pins and 16 analog pins, 4 UART channels. Suitable for demands of vast sensorsUse ATmega32u4, 2 serial ports. Intergrated with Xbee socket and motor driversMicrocontroller with motor driver, communication ports, IO expansion ports, it can be used as the main controller of robots

    SPECIFICATION

    • Microcontroller: ATmega328 (DIP Package)
    • Operating Voltage: 5V
    • Input Voltage (recommended): 7 ~ 12V
    • Input Voltage (limits): 6 ~ 20V
    • Digital I/O Pins: 14 (of which 6 provide PWM output)
    • Analog Input Pins: 6
    • DC Current per I/O Pin: 40 mA
    • DC Current for 3.3V Pin: 50 mA
    • Flash Memory: 32 KB of which 2KB used by bootloader
    • SRAM: 2 KB (ATmega328)
    • EEPROM: 1 KB (ATmega328)
    • Clock Speed: 16 MHz
    • Size: 75 x54 x15 mm (2.95 x2.13 x0.59")
    • Envionment Friendly: Rohs Compliance
     

    PROJECTS

    1. Project: Sunflower - Arduino Solar Tracker

    Introduction: 'The Sunflower' is an Arduino based solar tracker which will increase the efficiency of the solar panel while charging.


    2. Project: Zelda Song Player

    Introduction: Assemble an Arduino Uno-based device to recreate an N64 controller to play the first six songs from the Legend of Zelda: Ocarina of Time!


    3. Project: E-Paper display with Arduino from DFRobot

    Introduction: In this video, we learn how to use an E-Paper display with an Arduino board. 



    4. Project: CAT-BOT

    Introduction: I used to dream of my kitty talking to me and now I am going to make my toy kitty react to my actions and even CHAT WITH ME!


    5. Project: How To Make LED Kitchen Sink Lights with a PIR Sensor, Arduino, and 3D Printing

    Introduction: I wanted to brighten up my kitchen and install some lights under the sink, but rather than buy a pre-made LED kit, I decided to make my own. Let me show you how I made this! 


    DOCUMENTS

    SHIPPING LIST

    • DFRduino Uno V3.0  x1